Home / 7,781,894.10-10,661,145.24-7,490,887.28

Finding the Fourth Proportional to 7,781,894.10, 10,661,145.24 and 7,490,887.28

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Solution

The fourth proportional to 7,781,894.10, 10,661,145.24 and 7,490,887.28 is: 10,262,467.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781,894.10 : 10,661,145.24 = 7,490,887.28 : x
  2. Step 2: Convert to fraction form
    7,781,894.10/10,661,145.24 = 7,490,887.28/x
  3. Step 3: Cross multiply
    7,781,894.10x = 10,661,145.24 × 7,490,887.28
  4. Step 4: Simplify right side
    7,781,894.10x = 79,861,437,268,548.55
  5. Step 5: Solve for x
    x = 79,861,437,268,548.55/7,781,894.10
  6. Step 6: Final answer
    x = 10,262,467.75

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.